package com.alingrad.android.froyoengine.tree;

/**
 * Base class for ObjectManagers 
 * @author Alan Guo
 *
 */
public abstract class TreeStem extends TreeNode {

	public TreeStem() {
		super();
	}
	
	public abstract void addNode(TreeNode node);
	public abstract boolean removeNode(TreeNode node);
	public abstract void cleanNodes();
	public abstract void clear();
}
